38359873926509 has 2 divisors, whose sum is σ = 38359873926510. Its totient is φ = 38359873926508.

The previous prime is 38359873926467. The next prime is 38359873926571. The reversal of 38359873926509 is 90562937895383.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37423537080484 + 936336846025 = 6117478^2 + 967645^2 .

It is a cyclic number.

It is not a de Polignac number, because 38359873926509 - 2³⁶ = 38291154449773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38359873926509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38359873926809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19179936963254 + 19179936963255.

It is an arithmetic number, because the mean of its divisors is an integer number (19179936963255).

Almost surely, 2^{38359873926509} is an apocalyptic number.

It is an amenable number.

38359873926509 is a deficient number, since it is larger than the sum of its proper divisors (1).

38359873926509 is an equidigital number, since it uses as much as digits as its factorization.

38359873926509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2645395200, while the sum is 77.

The spelling of 38359873926509 in words is "thirty-eight trillion, three hundred fifty-nine billion, eight hundred seventy-three million, nine hundred twenty-six thousand, five hundred nine".